747750012 has 12 divisors (see below), whose sum is σ = 1744750056. Its totient is φ = 249250000.

The previous prime is 747750001. The next prime is 747750019. The reversal of 747750012 is 210057747.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747750019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31156239 + ... + 31156262.

It is an arithmetic number, because the mean of its divisors is an integer number (145395838).

Almost surely, 2^747750012 is an apocalyptic number.

It is an amenable number.

747750012 is an abundant number, since it is smaller than the sum of its proper divisors (997000044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747750012 is a wasteful number, since it uses less digits than its factorization.

747750012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62312508 (or 62312506 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 747750012 is about 27345.0180471690. The cubic root of 747750012 is about 907.6508308974.

The spelling of 747750012 in words is "seven hundred forty-seven million, seven hundred fifty thousand, twelve".